SOLUTION: Subtract. simplify if possible b/z+b-b/z-b=

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Question 321169: Subtract. simplify if possible b/z+b-b/z-b=
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
b/z+b - b/z-b
LCM = (z+b)(z-b)
b(z-b)-b(z+b)
bz-b^2-bz-b^2 / (z+b)(z-b)
-2b^2/ (z+b)(z-b)